CN105190652A - Touch sensor and radio frequency identification apparatus and method - Google Patents
Touch sensor and radio frequency identification apparatus and method Download PDFInfo
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- CN105190652A CN105190652A CN201380063774.2A CN201380063774A CN105190652A CN 105190652 A CN105190652 A CN 105190652A CN 201380063774 A CN201380063774 A CN 201380063774A CN 105190652 A CN105190652 A CN 105190652A
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/01—Details
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/0716—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising a sensor or an interface to a sensor
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Abstract
A touch sensor and RFID apparatus is described. In one implementation, the apparatus includes a passive RFID module (104) disposed proximate to a touch panel (125) and a control module (102) configured to receive an electrical signal from the passive RFID module (104). The apparatus may be configured to determine, based on a characteristic of the electrical signal, whether the passive RFID module (104) has been energized by an RFID reader or, in the alternative, has exhibited an impedance change as a result of contact being made with the touch panel (125). The apparatus may also be configured to operate in a first mode if the passive RFID module (104) is determined to have been energized by an RFID reader, or, in the alternative, operate in a second mode if the passive RFID module (104) is determined to have been energized as a result of contact being made with the touch panel (125). Additionally, the control module (102) can read from or write to the passive RFID module (104) via direct electrical excitation over a wire or wires connecting the passive RFID module (104) to the control module (102).
Description
Technical field
The disclosure relates generally to radio-frequency (RF) identification (RFID) communication, and relates more specifically to a kind of touch sensor and RFID device and method.
Background technology
RFID is used by polytype device gradually." RFID " refers to and uses electromagnetic field at certain distance (normally short distance) place induction current, allows the technology that device communicates with another device, and does not need device to contact with each other.Support that the device of RFID uses the standardization agreement of such as near-field communication (NFC) agreement to communicate usually.The example using the device of RFID technique is RFID label tag.RFID label tag does not have its power supply, but rely on by the neighbouring RFID powered up itself enable device respond to electric power on the electric current of generation.The RFID powered up enables device and is commonly referred to " starter " or " reader ", and non-power-up device (such as RFID label tag) is commonly referred to " target ".
Accompanying drawing explanation
Various embodiment of the present invention is described with reference to the accompanying drawings in more detail.
But, it should be noted that accompanying drawing illustrates embodiments of the invention, therefore should not be considered as the restriction of its scope, because the present invention can allow the embodiment of other equivalence.Such as, connect one by one although be depicted as by assembly, should be appreciated that there is a lot of intermediate module, they still allow electrical component to be coupled.
Figure 1A-1C illustrates the operator scheme according to various embodiments of the invention.
Fig. 2 A and Fig. 2 B illustrates the placement of the passive RFID module according to the embodiment of the present invention.
Fig. 3 illustrates the various devices comprising the embodiment of the present invention.
Embodiment
In the disclosure, when two or more assemblies " electrical connection ", make the electric signal from an assembly will arrive another assembly their links, even if the intermediate module that these signals can pass through may be there is.In addition, as in electromagnetic coupled, be to mean both " inductive " and " capacitive character " interactions to the reference of " electromagnetism ".
As used herein, term " touch pad " comprises the surface that user touches, and no matter whether has touch pad annex, occurs to cause some action or is input into data.The example of touch pad comprises touch-screen.Touch pad must not have the integrated display as touch-screen.
As used herein, term " touch pad annex " represents those devices having and be enough to by the electrical characteristics of various embodiment detection disclosed herein.The example of touch pad annex comprises writing pencil or the indicator of suitably configuration.
In one embodiment of the invention, equipment comprises passive RFID module, touch sensitive elements, RFID reader sensing element and controller.Passive RFID module serve as RFID target and touch sensor or " button " both.Passive RFID module is electrically coupled to touch sensitive elements via electric wire, and is electrically coupled to RFID reader sensing element via electric wire.Touch sensitive elements and RFID reader sensing element are all electrically coupled to controller.If RFID reader and the interaction of passive RFID module, then passive RFID module is reacted by the signal via the wire transfer first kind.RFID reader sensing element is configured to, by controller transmission of electric signals, react to the signal of this first kind.If the finger of personnel or touch pad annex near or touch passive RFID module, then passive RFID module is reacted by the signal via wire transfer Second Type.Touch sensitive elements is configured to, by controller transmission of electric signals, react to the signal of this Second Type.If controller is from RFID reader sensing element Received signal strength, then equipment operates in the flrst mode.If controller is from touch sensitive elements Received signal strength, then equipment operates under the second mode.
In an embodiment of the present invention, RFID reader is inquired passive RFID module (such as, by using RFID protocol transmission inquiry command) and is therefore obtained data from passive RFID module.In another embodiment, RFID reader writes (such as, by using RFID protocol transmission write order) to passive RFID module.
In certain embodiments, passive RFID module is arranged on the downside of touch pad.Touch pad is the assembly of another device of such as smart phone, interactive information booth, ATM (Automatic Teller Machine) (ATM), photo frame or doorbell.
According to embodiments of the invention, passive RFID module is electrically coupled to signal generator.Signal generator is electrically coupled to controller.Equipment is configured to operate in a third mode, and wherein, controller transmission package is ordered with write (such as, using RFID protocol) containing the signal of data.Under the control of the controller, by signal generator modulation signal.Data-signal through ovennodulation is transferred to passive RFID module, and causes RFID module to be reacted, just as it and outside RFID reader are interactive.Data are stored into the storer in its controller integrated with passive RFID module by passive RFID module.
In another embodiment, equipment is also configured to operate under four-mode, and wherein, controller transmission package contains signal and the inquiry command (such as, using RFID protocol) of data.Under the control of the controller, by signal generator modulation signal.Data-signal through ovennodulation is transferred to passive RFID module, and causes RFID module to be reacted, just as it and outside RFID reader are interactive.The signal comprising the data retrieved from the controller of passive RFID module launched by the controller of passive RFID module.The data that passive RFID module is retrieved via wire transfer.RFID reader sensing element detects the signal from passive RFID module, and will comprise the Signal transmissions of data to controller.
In an embodiment of the present invention, equipment comprises touch pad, passive RFID module and control module, and passive RFID module is arranged to close to touch pad, and control module is configured to send to passive RFID module or receive electric signal from passive RFID module.Control module comprises controller.Controller is configured to the characteristic based on the electric signal received from passive RFID module, determine whether passive RFID module is activated by RFID reader, or, in replacement scheme, determine as with touch pad (such as, by finger or touch pad annex) carry out the result that contacts, whether passive RFID module shows impedance variation.
If controller is determined, passive RFID module is activated by RFID reader, then equipment operates in the flrst mode.Or if controller is determined, carry out as with finger or touch pad annex the result that contacts, passive RFID module shows impedance variation, then equipment operates under the second mode.
In another embodiment, a kind of method comprises: receive electric signal from passive RFID module; Based on the characteristic (such as frequency or voltage) of electric signal, determine whether passive RFID module is activated by RFID reader, or, as with touch pad (such as, by human contact or touch pad annex) carry out the result that contacts, whether passive RFID module shows impedance variation.If determined, passive RFID module is activated by RFID reader, then occur under operating in first mode.In replacement scheme, if determined, carry out as with touch pad the result that contacts, passive RFID module shows impedance variation, then occur under operating in the second pattern.
In another embodiment, mobile device comprises RFID/ sensor assembly and touch pad.RFID/ sensor assembly comprises host-processor, passive RFID module and control module, and passive RFID module is arranged to close to touch pad, and control module can be linked to host-processor communicatedly and be electrically coupled to passive RFID device.In the present embodiment, control module comprises controller, reader sensing element, signal generator and touch sensitive elements.Each of signal generator and touch sensitive elements is electrically coupled to controller.RFID/ sensor assembly operates under at least four kinds of patterns.
In the first mode of RFID/ sensor assembly, activate passive RFID module by outside RFID reader, and signal is delivered to RFID reader sensing element from passive RFID module, RFID reader sensing element responds by sending signal to controller.The signal notification controller sent, RFID reader is interactive with passive RFID module, such as, by reading from passive RFID module, or writes to passive RFID module.
In the second pattern of RFID/ sensor assembly, passive RFID module is by the touch of personnel or loaded with capacitive manner by the touch of touch pad annex, results through the impedance variation that touch sensitive elements detects.Touch sensitive elements responds by exporting the signal be touched to controller indicating touch panel.
In the 3rd pattern of RFID/ sensor assembly, controller output packet is containing the data of the continuous carrier signal modulated by signal generator.Signal through ovennodulation is supplied to passive RFID module by signal generator.Data are write passive RFID module by the signal through ovennodulation.
In the four-mode of RFID/ sensor assembly, by continuous carrier signal (being modulated by signal generator) being applied to passive RFID device via known impedance, then detect the load-modulate of passive RFID device after and then inquiring, control module inquires passive RFID module.
With reference to Figure 1A, embodiments of the invention are described below.Figure 1A illustrates RFID/ sensor assembly 100 and main frame 108.Main frame 108 can be linked to RFID/ sensor assembly 100 communicatedly.Main frame 108 such as may be embodied as server or independently host-processor, such as, and application or baseband processor.RFID/ sensor assembly 100 comprises control module 102 and passive RFID module 104.Control module 102 is electrically coupled to passive RFID module 104.Touch pad 125 is arranged to close to passive RFID module 104.Touch pad 125 and RFID/ sensor assembly 100 can be integrated with another device, such as mobile device (such as, smart phone, panel computer, notebook computer), stationary installation (such as, information kiosk, stationary personal computers) etc.Control module 102 can be the single integrated circuit comprising its all components, or its assembly can be discrete element.Passive RFID module 104 may be implemented as passive RFID label tag, by its components distribution, or can be able to be integrated in touch-screen.In various embodiments, passive RFID module 104 can use one or more wireless protocols of such as near-field communication (NFC) agreement to carry out wireless near field communication.By the equivalent electrical circuit 130 shown in Figure 1A, the interaction during the operation of RFID/ sensor assembly can be modeled between control module 102 and passive RFID module 104.
Control module 102 comprises controller 110, RFID reader sensing element 112, signal generator 114 and touch sensitive elements 116.Reader sensing element 112 may be implemented as phaselocked loop (PLL) circuit, and touch sensitive elements 116 may be implemented as amplifier.Resistance unit (such as, resistor) 118 and signal generator 114 serial link.The positive input terminal of reader sensing element 112, signal generator 114 and touch sensitive elements 116 is shared common electrical and is connected at node 117 place.The RFID controller 122 of RFID module 104 is electrically coupled to reader sensing element 112, touch sensitive elements 116 and signal generator 114 at node 117 place via electric wire.The output terminal of reader sensing element 112 and touch sensitive elements 116 is each is coupled to each input end of controller 110 (such as, input pin), and the negative input end of signal generator 114 and touch sensitive elements 116 is coupled to each output terminal (such as, output pin) of controller 110.The output terminal of controller 110 can be linked to main frame 108 communicatedly.
Passive RFID module 104 comprises coil 120 and RFID controller 122, RFID controller 122 is electrically coupled to coil 120.Coil 120 is electrically coupled to RFID controller 122 via resonant circuit.RFID controller 122 comprises data-storable storer.
According to embodiments of the invention, RFID/ sensor assembly 100 operates under four kinds of different patterns: (1) passive RFID pattern (first mode); (2) touch-sensing pattern (the second pattern); (3) data transfer mode (the 3rd pattern) is write; And (4) read data transfer mode (four-mode).
In a first mode, passive RFID module 104 serves as RFID target, is generated an electromagnetic field by the starter of RFID/ sensor assembly 100 outside.
In a second mode, passive RFID module 104 is loaded with capacitive manner by the touch (or touch of touch pad annex) of personnel, results through the impedance variation that touch sensitive elements 116 detects.
In the 3rd pattern and in four-mode, control module 102, by continuous carrier signal (being modulated by signal generator) being applied to passive RFID device via known impedance, activates passive RFID module 104.In both modes, passive RFID device serves as target, and control module 102 serves as starter, although be provide enabling signal by electric wire.In the 3rd pattern, control module 102 writes to passive RFID module 104.In four-mode, control module 102 is inquired from passive RFID module 104 and reads.
In an embodiment of the present invention, RFID/ sensor assembly 100 enters the first or second pattern based on the determination made by control module 102.More particularly, when RFID reader or finger (or touch pad annex) touch touch pad 125, passive RFID module 104 produces corresponding signal.Control module 102, based on the electrical characteristics of signal, determine whether RFID reader exists, or whether touch pad is touched.If control module 102 determines that reader exists, then RFID/ sensor assembly 100 operates in the flrst mode.On the other hand, if control module 102 determines that reader does not exist, but touch pad 125 contacts with some things (such as, finger or touch pad annex), then RFID/ sensor assembly 100 operates under the second mode.
In an embodiment of the invention, the signal that causes due to the capacitive couplings of the passive RFID module 104 from external source of the assembly collaboration process of control module 102.These assemblies comprise reader sensing element 112, touch sensitive elements 116 and controller 110.The signal that controller 110 receives from reader sensing element 112 and touch sensitive elements 116 based on controller 110, determines to produce which kind of signal in passive RFID module 104.
Whether whether to exist about RFID reader as controller 110 or contact with touch pad and make substituting of determining, controller 110 can send raw data based on the signal from touch sensitive elements and reader sensing element to main frame 108.In such an embodiment, main frame 108 can be made and being determined, and command RFID/sensor assembly 100 (via controller 110) enters one in four patterns.
According to certain embodiments of the invention, first mode and the second pattern are repelled mutually.That is, only when the characteristic (such as, frequency and voltage) of the signal received by passive RFID module 104 is met for criterion from RFID reader, controller 110 thinks that RFID reader exists.Similarly, only when the characteristic of the signal received by control module 104 is met for criterion from the personnel contacted with touch pad 125 or touch pad annex, controller 110 thinks that personnel or touch pad annex have touched touch pad 125.
Such as, because be obviously different from the electrical characteristics (difference due in the electromagnetic field of reader and the passive character of the electricity of tissue) of the signal produced by RFID reader by the electrical characteristics of the signal of personnel's contact induction on a touchpad, in fact two kinds of possibilities are considered as independently by the logic be programmed in controller, nonoverlapping decision path.Certainly, for the signal of induction, also can not meet arbitrary criterion (such as, if responded to by background electromagnetic field), controller 110 is not reacted in this case.
With reference to Figure 1A, the first mode of operation will be described now according to embodiments of the invention.The signal generator 126 of RFID reader 106 sends electric signal (electric current) by the coil 124 of RFID reader 106.Signal can comprise RFID protocol inquiry command.By the electric signal of coil 124 in progress path, generate an electromagnetic field between the coil 124 and the coil 120 of passive RFID module 104 of reader 106 and be coupled, thus in the coil 120 of passive RFID module 104 electrical signal of reaction.
In coil 120, the signal of induction has one or more characteristics of the signal produced by reader 106.In coil 120, the signal of induction is transferred to RFID reader sensing element 112 and is transferred to touch sensitive elements 116.Signal can show one or more characteristic.Reader sensing element 112 and touch sensitive elements 116 are based on the one or more characterisation output signal.The example of these characteristics of signals is voltage and frequency.The output of reader sensing element 112 and touch sensitive elements 116 is received by controller 110, based on the input received, controller 110 determines whether passive RFID module 106 is activated (such as by RFID reader, be asked according to NFC agreement), or passive RFID module 106 whether show by finger or touch pad annex and touch pad 125 contact caused by impedance variation.
In an embodiment of the present invention, only when it is in preset frequency (such as, according to NFC agreement, 13.56MHz) as the signal that input receives, and likely only when signal is in or higher than predetermined voltage, reader sensing element 112 outputs signal.In order to help that first mode is described, assuming that the signal responded to by reader 102 is in preset frequency, and reader sensing element 112 is by sending suitable signal to react to controller 110.
In the coil 120 of passive RFID module 104, the signal transmission of induction is to RFID controller 122, thus activates electric power and electric power is supplied to controller 122.In response to being activated, RFID controller 122 is from its memory read data, and output packet is containing the signal of these data.Comprise the coil 120 of the passive RFID module 104 of signal activation of data, thus produce the second electromagnetic field.Second electromagnetic field comprises this data, and it uses agreement (such as, NFC agreement) to be encoded.Second electromagnetic field activates the coil 124 of reader 106, thus generation current, electric current represents the signal exported by the RFID controller 122 of passive RFID module 104.
Once the controller 110 of control module 102 determines that passive RFID module 104 is asked, by transmitting instruction RFID to main frame 108, controller 110 just inquires that the signal occurred responds.Main frame 108 is responded by the software performing display message, and via the user interface on touch pad 125, message instruction inquiry occurs.Main frame 108 also can make on touch pad 125, show other interactive element (such as, menu, keyboard etc.).
With reference to Figure 1B, the second pattern of the operation of the RFID/ sensing module 100 described according to embodiments of the invention is described below.In this mode, personnel or touch pad annex replace the reader 106 in first mode.In order to help to describe, assuming that be that the finger of personnel contacts with touch pad 125.
There is abiogenous electric capacity in the finger of personnel, and, when being positioned at close to passive RFID module 104, become and passive RFID module 104 electromagnetic coupled.The touch sensitive elements 116 of control module 102 senses the impedance variation obtained, and responsively, to controller 110 signal transmission.Based on the signal received from touch sensitive elements, controller 110 is determined, touch pad 125 is touched by personnel or touch pad annex.Controller 110 touches appearance signal from instruction to main frame 108 by transmitting responds to the signal that it receives.This signal also can indicate the position of touch, and such situation is, wherein has multiple passive RFID module to be coupled to controller module 102, and wherein each passive RFID module is positioned at such as than the different piece of other passive RFID module close to touch pad 125.Main frame 108 is responded (such as, light button, give user and indicate key press successfully to feed back) by the instruction showing touch on a touchpad.Software, execution browser software, startup application, change setting etc. that main frame such as also can be undertaken calling out by execution permission user carry out response signal.
With reference to Fig. 1 C, according to embodiments of the invention, the 3rd pattern is described below.In this mode, RFID control module 102 serves as RFID starter (such as, as RFID reader).Controller 110 will comprise the Signal transmissions of data to signal generator 114.Signal generator 114, according to agreement, modulates the signal (such as, according to NFC agreement, 13.56MHz) received at characteristic frequency place.Signal through ovennodulation comprises write order and data.By electric wire and coil 120, this signal transmission is to RFID module 104.Coil 120 serves as the transfer element on progress path.The controller 122 of passive RFID module 104 is stored in its memory by the reception data will comprised in signal, the write order that response receives.In fact, when RFID/ sensor assembly 104 operates in a third mode, control module 102 writes RFID controller 122.
Refer again to Fig. 1 C, will describe four-mode according to embodiments of the invention now.In this mode, RFID control module 102 serves as RFID starter (such as, as RFID reader), and can read data from passive RFID module 104.Controller 110 will comprise the Signal transmissions of inquiry command to signal generator 114.Signal generator 114, according to agreement, modulates the signal (such as, according to NFC agreement, 13.56MHz) received at characteristic frequency place.By electric wire and coil 120, this signal transmission is to RFID module 104.Coil 120 serves as the transfer element on progress path, and serves as the receiving element in reverse path 128.The reverse path signal comprising inquiry command is received by coil 120 and passes to the controller 122 of passive RFID module 104.Controller 122 is by responding inquiry command from its memory search data.Data are supplied to control module 102 via coil 120 (on progress path) by the controller 122 of passive RFID module 104, modulate as loaded impedance.In fact, when RFID/ sensor assembly 100 operates under four-mode, control module 102 reads data from passive RFID module 104.
In an embodiment of the present invention, RFID/ sensor assembly 100 starts data from control module 102 to the transmission of RFID reader 106.RFID/ sensor assembly 100 is undertaken by operating in a third mode, data is write passive RFID module 104.Then, reader 106 sends inquiry command (such as, NFC inquiry command) to passive RFID module 104.RFID/ sensor assembly 100 responds by operating in the flrst mode, and wherein data are sent to reader 106 from passive RFID module 104.This process as a result, under the startup of control module 102 (under control of the controller 110), data (starting can be stored in the storer of controller 110) are sent to reader 106 from control module 102.
In another embodiment of the present invention, reader 106 can send data to RFID/ sensor assembly 100.In order to do like this, reader 106 is written to the storer of the controller 122 of passive RFID module 104.Reader 106 uses the same program used with reader 106 during inquiry passive RFID module 104, carry out this write operation, except and non-published inquiry command, but RFID reader is issued outside write order (such as, NFC write order) to passive RFID module 104.RFID/ sensor assembly 100 is by entering first mode to respond.In response to write order, the controller 122 of passive RFID module 104 stores its data received (capacitive couplings via between the coil 124 of reader 106 and the coil 120 of passive RFID module 104).Then, RFID/ sensor assembly 100 operates under four-mode, and wherein, it reads data from passive RFID module 104.
With reference to Fig. 2 A, will describe according to embodiments of the invention now, the placement of passive RFID module 104 in another device.Passive RFID module 104 is disposed in the opposition side (that is, towards the side away from user) of touch pad 200, and is configured to when on touch pad 200, when the finger of user is in the circumference of touch area, to the close reaction of user's finger.Touch pad 200 can have covering, and the artwork of printing, glass, plastics etc. are arranged in its front surface by it.Or touch pad 200 can be the superincumbent opaque surface of project video images.Passive RFID module 104 is electrically coupled to controller 110, and correspondingly, controller 110 can be linked to main frame 108 communicatedly.Controller 110 and passive RFID module 104 are included in RFID/ sensor assembly 100, and are coupled to other assembly of RFID/ sensor assembly 100, but these other assemblies are not shown in Fig. 2 A and Fig. 2 B.Be described previously operation and the operator scheme of RFID/ sensor assembly 100.
With reference to Fig. 2 B, an alternative embodiment of the invention will be described now.In this embodiment, lateral electrode 204 is disposed in the side of passive RFID module 104, and is coupled to passive RFID module 104.In one embodiment, when the electric field distributed from reader 106 exists, electric current flows to passive RFID module 104 from lateral electrode 204.By this configuration, RFID/ sensor assembly 100 can be determined based on the relative intensity of the electric current received from each lateral electrode, and where (according to Figure 1A) passive RFID module 104 is positioned at relative to reader 106.Controller also can be determined according to identical mode to point the relative position on touch pad 200.In one embodiment, RFID/ sensor assembly 100 is in the mobile device, and mobile device has visual indicator, and its instruction is about passive RFID module 104 and RFID reader 106, and how far device leaves center has.
In a related embodiment, RFID/ sensor assembly 100 can also comprise additional passive RFID module (such as, RFID label tag), in the position identical with electrode 204, additional passive RFID module is positioned at the side of passive RFID module 104, as shown in Figure 2 B.If adopt additional passive RFID module, then each additional passive RFID module can comprise unique data, and can perform the function identical with electrode 204.
With reference to Figure 1A and Fig. 3, now how description can be used the mobile device with RFID/ sensor unit 100 in various embodiments.In one example, mobile device 300 is interactive with information kiosk 302.In this example, information kiosk 302 is movie rental stations, and comprises RFID/ sensor assembly 100, wherein passive RFID module is arranged in the touch pad 304 of information kiosk 302 below and close to it.Mobile device 300 comprises reader 106.Touch pad 304 shows the setting (such as, DVD box big envelope picture) of image.Each image replaces different media contents (such as, film), wherein details (such as, being linked to trailer) and purchase order information is presented on touch pad 304.In order to order media content, user presses with finger panel.In this case, the control module 102 of RFID/ sensor assembly 100 operates under touch-sensing pattern.Then information kiosk 302 provides user interface, and user can input relevant information on a user interface, and has the content of being distributed by information kiosk.
Continue this example, user also by being taken by mobile device close to image (such as, the photo for advertising movies) relevant to media content on touch pad 304, can obtain media content.The passive RFID module 104 of the RFID reader 106 inquiry message booth 302 of mobile device 300.The RFID/ sensor assembly 100 of information kiosk 302 responds inquiry by operating in the flrst mode.RFID reader 106 sends relevant personal information (credit card number etc.) to passive RFID module 104.Alternatively, RFID/ sensor assembly 100 can operate in a third mode, wherein data are sent to the storer of the controller 122 of passive RFID module 104 (such as by the control module 102 of information kiosk 302, information needed for user's online ordering content, such as network linking and identifying code).Then, the RFID reader 106 of mobile device 300 inquires passive RFID module 104.RFID/ sensor assembly 100 responds by operating in the flrst mode, wherein sends data to reader 106 from the storer of controller 122.Then, the user of mobile device 300 can use the data of transmission to obtain content.
In another embodiment, RFID/ sensor assembly 100 is integrated in digital frame 306, below the touch pad wherein passive RFID module being arranged in digital frame 306.RFID/ sensor assembly 100 operates under the second mode, wherein its rolling picture, touches the region close to passive RFID module 104 in response to user, is amplified by the picture selected.RFID/ sensor assembly 100 also operates in the flrst mode, and wherein passive RFID module 104 responds to the inquiry by RFID reader 106, and RFID reader 106 is integrated with mobile device 300 in this example.Such as, when mobile device 300 is taken near photo frame by user, RFID reader 106 inquires passive RFID module 104, and passive RFID module 104 notification controller 110 has inquiry.Photo frame 306 responds by stopping circulation picture, and continues the picture of the display recently of display statically.Then, reader 106 reads passive RFID module 106, and to obtain unpaired message, such as bluetooth or Wi-Fi unpaired message, it is stored in the storer of the controller 122 of passive RFID module 104.Mobile device 300, via Wi-Fi or bluetooth, uses this unpaired message and photo frame 306 to match.Then, the picture of display is such as downloaded to mobile device 300 via bluetooth or Wi-Fi by photo frame 306.Then, mobile device 300 can be removed from photo frame 306 by user.Then, photo frame 306 removes the pairing with mobile device 300, then recovers to pass through image cycle.
Alternatively, after the initial exchange completing bluetooth or WiFi pairing via RFID, mobile device 300 can be removed from photo frame 306.Then, all the other transmission can occur via bluetooth or WLAN.Then, photo frame removes the pairing with mobile device, then recovers the rolling of display image.
Alternatively, if photo frame 306 does not support bluetooth or Wi-Fi, then RFID/ sensor assembly 100 operates in a third mode, and the title comprising the file Showed Picture is write passive RFID module 104 by its middle controller 110.Then, passive RFID module 104 inquired by mobile device 300.RFID/ sensor assembly 100 responds by operating in the flrst mode, and wherein filename is sent to the reader 106 of mobile device 300 by passive RFID module 104.Then, mobile device 300 stores the filename Showed Picture, and points out user (1) to be removed from photo frame 306 by mobile device; (2) roll more pictures repetitive picture is selected and download step; Or (3) via USB (universal serial bus) (USB), mobile device 300 is connected to photo frame 306.User also can select picture sent to photo frame 306 via movable storage medium or transmit from photo frame 306.In order to do like this, user removes the storage medium of photo frame and medium is inserted mobile device 300.Alternatively, mobile device is connected to photo frame via USB cable by user, and searches for storage medium when storage medium is still in photo frame.The filename in storage medium searched for by mobile device 300 in storage medium, filename or in the mobile device, or in the storer of photo frame 306.These scenes any one in, mobile device 300 can point out user, when completes the document backup of all expectations.
Still with reference to Fig. 3, now another embodiment will be described.In this embodiment, mobile device 300 comprises RFID reader 106, and information kiosk 302 is implemented as ATM (ATM (Automatic Teller Machine)).ATM302 in this example comprises RFID/ sensor assembly 100, wherein in the region of on-screen keyboard, passive RFID module 104 is placed on the downside of the touch pad being embodied as display screen.ATM302 can comprise the passive RFID module of numerical key on each screen, wherein by the operation under both first mode (when being inquired by mobile device 300) and the second pattern (when pressing onscreen button as user) of RFID/ sensor assembly.Such as, the user of mobile device 300 uses the browser access website of bank on mobile device 300, and selects ATM302 from the list of neighbouring ATM.For the remote server of bank's process consumer transaction is responded user selected by public, the unique code having distributed to ATM302 and mobile device 300 to ATM302 and mobile device 300 transmission server.Server such as via website by this code transfer to mobile device, and via wireless or cable-network transmission to ATM.When user arrives ATM302, code is write the passive RFID module 104 of ATM by the RFID reader 106 of mobile device 300.ATM302 detects close to the transmission to passive RFID module 104 of the RFID reader of on-screen keyboard and/or code.Responsively, RFID/ sensor assembly 100 enters four-mode, and wherein it reads code from passive RFID module 104.ATM302 checks code for the unique code distributing to ATM302.If there is coupling, then RFID/ sensor assembly 100 operates in a third mode, and wherein ATM302 writes unique transaction code identifying transaction to passive RFID module 104.The reader 106 of mobile device 300 reads transaction code from passive RFID module 104, and wherein RFID/ sensor assembly 100 operates in the flrst mode.Mobile device 300 is by having the message of transaction code to bank's transmission via cellular network, checking transaction code is effective.Bank examination transaction code, and if account is no problem, just authorizes ATM to distribute cash to user.Then, user presses the button on touch pad 304, request cash.RFID/ sensor assembly 100 responds by operating under the second mode, and its middle controller 110 notifies which button main frame 108 (such as, the computing machine of ATM302 inside) is pressing.In response to the information received about pressing keys, ATM302 distributes cash, and is sent completely the notice of transaction to user account by common network.Then, ATM302 sends order to passive RFID module 104, makes the controller 122 of passive RFID module 104 remove the content of the storer of the RFID controller 122 of passive RFID module 104.
Refer again to Fig. 3, can be included in doorbell 309 by RFID/ sensor assembly 100, wherein reader 106 is integrated with mobile device 300.In this example, touch pad is served as on the surface of button 310.When user's touch button 310, RFID/ sensor assembly 100 detects and touches, and responsively, operates under the second mode.Controller 10 sends voice signal with signal, and voice signal sounding responds.But if mobile device 300 is taken near doorbell 309 by user, then RFID/ sensor assembly enters first mode responsively.Controller signal sends voice signal, and voice signal is mourned in silence or suppressed pronunciation responsively.Then, reader 106 can inquire passive RFID module 104, and passive RFID module 104 will such as, and the information transmission of the contact telephone number of resident's preliminary election is to reader 106.Mobile device by the contact number (such as, landline telephone or home phone number) of the resident of calling family, can be reacted to this transmission.
Term used herein, description and accompanying drawing propose by means of only the mode illustrated, do not really want restriction.It should be recognized by those skilled in the art that can have a lot of modification in the spirit and scope of example.Such as, often the interaction between control module 102 and passive RFID module 104 is described as occurring according to particular order.But, any suitable communication sequence can be used.
Claims (9)
1. an equipment, comprising:
Passive RFID module (104);
Control module (102), described control module (102) is configured to receive electric signal from described passive RFID module (104);
Wherein, described control module (102) is configured to the characteristic based on described electric signal, determine whether described passive RFID module (104) is activated by RFID reader, or, in replacement scheme, as personnel or the close result of touch pad annex, whether described passive RFID module (104) shows impedance variation;
Wherein, described equipment is configured to operate at least two modes, comprising:
If described control module (102) determines that described passive RFID module (104) is activated by RFID reader, then first mode; Or in replacement scheme, if described control module (102) is determined, as personnel or the close result of touch pad annex, described passive RFID module (104) shows impedance variation, then the second pattern.
2. a method, comprising:
Electric signal is received from passive RFID module (104);
Based on the characteristic of described electric signal, determine whether described passive RFID module (104) is activated by RFID reader, or, in replacement scheme, as personnel or the close result of touch pad annex, whether described passive RFID module (104) is activated;
If described electric signal shows the characteristic of first kind signal, then operate in the flrst mode; Or, in replacement scheme, if described electric signal shows the characteristic of Second Type signal, then operate under the second mode.
3. method as claimed in claim 2, wherein:
Operation comprises in the first mode: the electric signal receiving the described first kind via wired connection, and the instruction of existence showing described RFID reader on a touchpad; And
Operation comprises in the second mode: the electric signal receiving described Second Type via wired connection, and indicates on a user interface, contacts with described touch pad.
4. method as claimed in claim 2, comprises further:
To the modulated continuous carrier signal of described passive RFID module application, described signal gives described passive RFID module via wire transfer; And
Use described continuous carrier signal, described data are write described RFID controller.
5. method as claimed in claim 2, wherein, described passive RFID module is NFC label.
6. method as claimed in claim 2, wherein, described passive RFID module is arranged to close to touch pad, and wherein, when personnel or touch pad annex contact with described touch pad, performs and operate in the second mode.
7. method as claimed in claim 4, comprise further: in response to the inquiry of described RFID reader, generate an electromagnetic field, described electromagnetic field comprises described information.
8. method as claimed in claim 6, comprises further:
Described touch pad Shows Picture, and described picture represents a media content choices of multiple media content choices;
In described first mode, receive and the one or more relevant information in described multiple media content choices via described passive RFID module; And
In described second pattern, the user received on described touch pad touches, and described touch is close to the position of described passive RFID module, and described touch instruction is by the one or more selection of described user to described media content choices.
9. method as claimed in claim 6, comprises further:
Show multiple virtual control on a touchpad, each of described multiple virtual control represents a function of multiple functions of ATM (Automatic Teller Machine);
In described first mode, to described passive RFID module transmission information, one or more relevant with described multiple function of described information; And
In described second pattern, receive the touch of user, described touch on described touch pad is close to described passive RFID module, and it is one or more that described touch instruction activates in described virtual control by described user, performs and touches the corresponding function of the virtual control that indicates with by described.
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| US13/705,646 US9619676B2 (en) | 2012-12-05 | 2012-12-05 | Touch sensor and radio frequency identification apparatus and method |
| US13/705,646 | 2012-12-05 | ||
| PCT/US2013/070662 WO2014088793A1 (en) | 2012-12-05 | 2013-11-19 | Touch sensor and radio frequency identification apparatus and method |
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| CN105190652A true CN105190652A (en) | 2015-12-23 |
| CN105190652B CN105190652B (en) | 2018-09-11 |
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| US10445711B1 (en) * | 2014-01-24 | 2019-10-15 | Jp Morgan Chase Bank, N.A. | Remote controlled ATM system and method |
| US9591175B2 (en) | 2014-11-02 | 2017-03-07 | Clover Network, Inc. | Connecting a printer and a mobile device using identification information printed by the printer |
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| US9734120B2 (en) | 2015-07-14 | 2017-08-15 | Medtronic, Inc. | Methods, devices, and systems where an accessory controls power delivery from a host device to the accessory through an accessory port |
| US9513756B1 (en) | 2015-08-28 | 2016-12-06 | Clover Network, Inc. | Providing near field communication through a touch screen |
| WO2017041042A1 (en) * | 2015-09-03 | 2017-03-09 | Remedev, Inc. | Remote healthcare delivery devices, systems, and methods |
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| Publication number | Publication date |
|---|---|
| WO2014088793A1 (en) | 2014-06-12 |
| KR102106185B1 (en) | 2020-04-29 |
| CN105190652B (en) | 2018-09-11 |
| KR20150093686A (en) | 2015-08-18 |
| US9619676B2 (en) | 2017-04-11 |
| US20140152425A1 (en) | 2014-06-05 |
| EP2929488B1 (en) | 2020-03-25 |
| EP2929488A1 (en) | 2015-10-14 |
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